subsample

We consider some properties of the resampling , and related optimal subsample lengths in smooth function models .

我们考虑该重抽样的一些性质，以及光滑函数模型的相关最优子样本长度。

This conclusion has also been demonstrated by the subsample of developed countries , which however is not proved by the developing countries ' . On the contrary , in the developing countries the higher the old-age dependency ratio is , the lower the outflow of international direct investment becomes .

这一结果在发达国家子样本中也得到证实，但发展中国家子样本并未得到验证，反而是更高的老年抚养比对应更低的国际直接投资流出额。

Study on full life 's few subsample system of electromechanical system based on gray theory

基于灰色理论的机电系统全寿命小子样系统研究

Global Motion Estimation Algorithm Based on Queen Patterns Subsample

一种基于皇后模板抽样的全局运动估计方法

In the training subsample , stepwise Cox models were used to develop the risk equation .

在训练亚组，用Cox回归模型建立风险因子；

Probability Distribution of Seismic Signal Subsample Amplitudes and Quantized SNR of Digital Seismic Instruments

地震信号子样幅值的概率分布及数字地震仪的量化信噪比

The data were randomly and evenly divided into the training subsample and the test subsample .

随机、平均分成训练亚组和试验亚组。

Reproduction of Subsample Color CCD Image

亚采样彩色CCD图象的重建

Simulations are carried out to compare the performance of the proposed algorithm with that of other subsample TDE algorithms .

文中通过一系列仿真实验对该方法与其他分数延时估计方法的性能进行比较。

Among a subsample of children living below a poverty threshold , no racial differences in preschool impact are detected .

对在贫困线以下的孩子，学前教育的影响无种族差异。

In analyzing wealth accumulation , we limit attention to the subsample that supplied complete data on all financial and demographic variables of interest .

在分析财富的积累，我们限制一个子样本，提供完整的金融和人口变量统计数据。

Effects of ownership structure and corporate governance structure on firm value of each subsample can be displayed when regression is based on each subsample .

当按照终极控制人的性质对样本进行分组回归时，各子样本股权结构和公司治理结构特征对公司价值的影响可以显示出来。

The use of subsample estimators helps to bypass the consistent estimation of the asymptotic variances of the parameter estimates .

子样本参数估计的使用可以帮助我们有效的避免一致估计渐进方差的难题。

The former are relatively homogeneous SNe Ia subsample , which can serve as good extragalactic distance indicator ;

蓝Ia超新星构成了相对均匀的Ia超新星样本，是较好的距离指示器；

This Paper gives a conclusion hial the asymptotic distribution of the fractile of a subsample forthe inner ceder statistic is a normal distribution .

本文给出了内顺序统计量子样分位数的渐近分布为正态分布的结论。

In order to obtain the sensitivity and the specificity , which are useful for practice , it is necessary that a subsample should be selected in the screened negative subjects for diagnoses .

为了获得有实用价值的灵敏度及特异度，在筛查阴性者中抽取一定比例样本进行诊断试验是必要的。

The specially organized reliability verification experiment is mentioned as follow : define the subsample number as 75 , select the activation time and operating time to calculate the exact value of reliability of the thermal battery ;

专项组织可靠性验证试验：子样可确定为75只，选定激活时间和工作时间两项进行计算得出该热电池的可靠度确定值；

In this paper , logarithmic normal distribution is used to calculate annual maximum wind speed . Main differences of this method from others are that there is a more perfect subsample inspection and the upper limit of tolerance can be calcula-ted .

本文提出用对数正态分布计算年最大风速，这种方法与当前使用的计算方法主要的不同是，它具有较完善的子样检验方法，并且能计算最大风速的容忍上限。

Based on subsample of 93 firms which consistently hire the same type of CEO , family firms with external CEO in general outperform those with family member CEO in terms of sales growth and earnings growth over medium-to-long term period .

基于对93家持续聘用同种类型CEO的家族企业的研究，发现拥有外部CEO的家族企业的中长期销售和利润增长整体上优于家族成员CEO。

This article , basing on the gradation comparison method to determine the acceptance index of small subsample for density of bullet and rocket , takes the uniform acceptance region method as the foundation and proposes to construct the acceptance function of the density and its evaluation criteria .

在极差比法确定弹箭密集度小子样验收指标的基础上，以等接受域法为基础，提出构造密集度验收函数及其评定准则。

By the significance test of the smallest cut-set subsample of fault data , an inference can be made on the reliability of the overall life of the unit , thus providing a theoretical basis for manufacturers ′ improvement in its design , scientific management , and better economic benefit .

通过对其最小割集故障数据子样的显著性检验，推断其总体寿命的可靠度，为生产厂家改进设计，进行科学管理，提高经济效益提供了理论依据。